1301123210221 has 8 divisors (see below), whose sum is σ = 1369623186080. Its totient is φ = 1232625215088.

The previous prime is 1301123210131. The next prime is 1301123210227. The reversal of 1301123210221 is 1220123211031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1301123210221 - 2²¹ = 1301121113069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301123210227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963370 + ... + 1878916.

It is an arithmetic number, because the mean of its divisors is an integer number (171202898260).

Almost surely, 2^{1301123210221} is an apocalyptic number.

It is an amenable number.

1301123210221 is a deficient number, since it is larger than the sum of its proper divisors (68499975859).

1301123210221 is an equidigital number, since it uses as much as digits as its factorization.

1301123210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990363.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1301123210221 its reverse (1220123211031), we get a palindrome (2521246421252).

The spelling of 1301123210221 in words is "one trillion, three hundred one billion, one hundred twenty-three million, two hundred ten thousand, two hundred twenty-one".